Supply a small island (population of 1 million, some industry, some military) wi

Question

Supply a small island (population of 1 million, some industry, some military) with electrical power. The average (day and night) use of electrical power is 0.5 kW/hour per person. You have a number of 10kW solar photovoltaic systems.

1.How many power plants would you need?

2. Where would you place them?

3. How would you distribute the power?

4. Can you assure 24 hour electrical power availability? What do you have to add to assure 24 hr electrical service?

5. What are the advantages?

6. What are the disadvantages?

7. What are the costs? What are the enviromental effects?

8. Is that kind of power generation sustainable?

9. Do you have excess electric power to convert other energy uses, such as transportation, to electricity?

Explanation / Answer

one person needs = 0.5*3.600 = 1.800 KW

hence 1 million needs = 1000000*1.8 = 1.8 *106 KW

= 1800 MW

we have 1 10 KW nuclear plant so we need = 1800/0.01 = 180000 = .18 million systems

2. if there s enough area available then, it can be placed anywhere

3. power can be distributed as 60 % industry and 40 % military, as industries generally has a larger power consumption

4. 24 hour electricity can only be ensured if there is proper storage grid available, alot of battery storrage is needed to store this electricity in the grid for use at night.

5. advantages are that you are getting clean power, no fuel is needed as well as not much maintenance is needed.

6. because of lower efficiency and limited availability of area, as well as very high cost of setup, this is generally neglected

7. cost will be very high compared to coal power plants, since the maintenance of these plants require a lot large amoount of money. environmental effects are as told before, it does not contribute to the polution in the environment, also carbon emmision is very less almost nil.

8. yes this is sustainable by all means, it does not contribute to polution to the environment as well as is long lasting.

9. well yes transportation can be converted to electricity, using the batteries that store these power.

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